disables wordpress rest api

disable-wp-rest.php

<?php

add_filter(
	'rest_authentication_errors',
	function ($access) {
		return new WP_Error(
			'rest_disabled',
			__("The Wordpress REST API has been disabled."),
			array(
				'status' => rest_authorization_required_code(),
			)
		);
	}
);

// if you need rest api for Elmentor or other logged in processes:
if (!is_user_logged_in()) {
	add_filter(
		'rest_authentication_errors',
		function ($access) {
			return new WP_Error(
				'rest_disabled',
				__("The Wordpress REST API has been disabled."),
				array(
					'status' => rest_authorization_required_code(),
				)
			);
		}
	);
}